Hi Gianluca, formally it is sufficient to impose that the atomic occupations of opposite spin have the same value (they are actually computed for only one spin). The U should be recomputed from a non-magnetic ground state.
hope this helps Matteo Gianluca Giovannetti wrote: > Dear All, > > i would like to know how LDA+U works for a non magnetic system in PW. > > cheers, > > G.
